Today's Message Index:
----------------------
1. 05:47 AM - Amps & Volts for the Pilot.... (Zed Smith)
2. 07:18 AM - 601 Cowling ducts... (Trevor Page)
3. 08:38 AM - Re: 601 Cowling ducts... (Mike Fothergill)
4. 03:20 PM - Re: 601 Cowling ducts... (Dave Austin)
5. 06:03 PM - 601 Newsletter (Jeffrey Glasserow)
6. 06:38 PM - Re: 601 Newsletter (Aaron)
7. 06:38 PM - Re: 601 Newsletter (Carlos Sa)
8. 06:41 PM - Venturi vacuum systems (Gary A. Boothe)
9. 07:23 PM - Re: Venturi vacuum systems (Cdngoose)
Message 1
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| Subject: | Amps & Volts for the Pilot.... |
--> Zenith-List message posted by: Zed Smith <zsmith3rd@earthlink.net>
Many years ago, back when we, the young, knew it all, I had the misfortune to attend
a lecture administered by a rather stern Master Gunnery Sergeant. One of
my fellow Gung Ho classmates volunteered that he still didn't understand the
Ammeter & Voltmeter.
The example given to answer the question made an impression on everybody:
Water, in the local municipal water supply system, was monitored.......the "Pressure
Gage" was equivalent to the Voltmeter, and a "Flow Meter" was the Ammeter.
It was stated that if you could see both values you could then speak to the
existing conditions. We were reminded of Ohm's Law.....that knowing TWO values
(volts & amps) would allow us to easily calculate or visualize conditions.
This is not to say you NEED both, but if you have room in the panel its sure nice
to see what happens when you turn stuff on or off, and watch the meters respond
to changes. With the usual small-capacity battery and alternator/charger
normally found on GA aircraft it is easy to overload the system with too many
DVD players, stereo music systems, autopilots, landing lights, electric seats
& windows, windshield wipers, etc.
Onboard radar, threat detection equipment and electric tailhook retractors are
optional.
A Merry Christmas/Happy Holiday Season to all.
Zed/701/R912/90%, with stock carb springs (Hi, Jon!)
do not archive
Message 2
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| Subject: | 601 Cowling ducts... |
--> Zenith-List message posted by: Trevor Page <webmaster@upac.ca>
Listers, I'm installing both my oil cooler and main radiator inside the
cowling of my 601HD. After toying with doing aluminum plenums (saw a
601 with such an arrangement but didn't care for the looks) I made my
own with fiberglass. Turned out really good. This is the last stretch
for me, after the cowling is done I can fire up the engine for testing.
Now the question I have is that I cut a NACA-style duct on each side
(different sizes, the main rad needs to be bigger) and I'm wondering if
they will be adequate to scavenge enough airflow to cool the rads?
The 601 I saw with the AL plenums had scoops glassed into each side.
The main rad scoop was a glassed-in 4L bottle of windshield was fluid.
Didn't look that bad but the current owner ended up cutting ahead of
the scoop on the main rad to get things cooler, effectively creating a
rudimentary NACA duct ahead of it. So should I take the time to glass
in a scoop on each side as well?
I have pictures of the cowling work on my picture website here:
http://pagefamily.homeunix.org/picture_album/view_album.php?
set_albumName=album15
Thanks
Trevor Page
601HD 98.5% complete
Message 3
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| Subject: | Re: 601 Cowling ducts... |
--> Zenith-List message posted by: Mike Fothergill <mfothergill@sympatico.ca>
Hi Trevor;
I think you are using a 912 engine. If this is so , you do not need any
openings in the side of the cowl to get sufficient coolig. There is more
than enough air entering the front. The key is directing it to the
radiators, particularly the water rad. The oil rad does not need a lot.
Then directing the exhaust air out of the rad down to the low psessure
opening at the bottom rear of the cowl.
Pics available if desired, even though mine are all aluminum.
Mike
CH-601 HDS 1000+hrs
UHS Spinners
Message 4
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| Subject: | Re: 601 Cowling ducts... |
--> Zenith-List message posted by: "Dave Austin" <daveaustin2@sprint.ca>
Trevor,
The easy part is getting the air to the rads.
the hard part is getting a low pressure behind the rads to draw the heated
air out.
I have a sealed duct from the back of the rad down to the extraction area at
the bottom of the firewall.
Dave Austin 601HDS - 912
Message 5
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--> Zenith-List message posted by: "Jeffrey Glasserow" <jeffglass@starband.net>
Can someone tell me how to subcribe to the 601 newsletter I've seen
mentioned here? I'd like to pick up all back copies as well as get a
current subscription. Any info would be greatly appreciated! I think it's
publisjed out in the mid-west...
Thanks, Jeff Glasserow
Message 6
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| Subject: | Re: 601 Newsletter |
--> Zenith-List message posted by: "Aaron" <agustafson@chartermi.net>
> Can someone tell me how to subcribe to the 601 newsletter I've seen
> mentioned here? I'd like to pick up all back copies as well as get a
> current subscription. Any info would be greatly appreciated! I think
it's
> publisjed out in the mid-west...
> Thanks, Jeff Glasserow
>
>
Here's the publisher sskrog@aol.com
Aaron
Message 7
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DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
s=s1024; d=yahoo.com;
b=kqf64Dv8DsM+svAW2hCeoUdbYg5kdRHRVHBQCFSU7cklxZGIb61efLfyIG4K1m4fAIT9JD7kUfgB0zwLR5rXWpKIqrA6GRnJPBDD/McNOWSeJeRXHmX2oVMgsrvP7JJWqjen6MrUD3FpDBCBjeJL3O2NglEUA0OLu2srJiH7lrI=
;
| Subject: | Re: 601 Newsletter |
--> Zenith-List message posted by: Carlos Sa <carlosfsa@yahoo.com>
You can email Steve & Sharon Krog, editors and publishers of the newsletter at:
sskrog@aol.com
Carlos
--- Jeffrey Glasserow <jeffglass@starband.net> wrote:
> --> Zenith-List message posted by: "Jeffrey Glasserow" <jeffglass@starband.net>
>
> Can someone tell me how to subcribe to the 601 newsletter I've seen
> mentioned here? I'd like to pick up all back copies as well as get a
> current subscription. Any info would be greatly appreciated! I think it's
> publisjed out in the mid-west...
> Thanks, Jeff Glasserow
Message 8
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| Subject: | Venturi vacuum systems |
3.60 ALT_MED Misspelled medication name
--> Zenith-List message posted by: "Gary A. Boothe" <gboothe@calply.com>
List,
I hate to date myself (let's just say that I have been out of the saddle for over
20 years) but I am designing the panel and have noticed very few 601's with
venturi's. Are electric systems the way to go?
Gary Boothe
WW Corvair Power - 601HDS
Rudder complete, impatiently awaiting
Tail Kit
Message 9
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| Subject: | Venturi vacuum systems |
--> Zenith-List message posted by: "Cdngoose" <601xl@sympatico.ca>
Gary, were even moving past the days of electric and have now embraced
the value of Glass as our present day panel. With the costs of present
day systems it just makes more sense to move in that direction now. Some
systems to consider are http://www.para-aviation.ca
http://www.dynondevelopment.com of course there are many more and you
can find some from the commercial pages on the www.ch601.org website.
But the two above are my personal favorites. Are you dated? Yes but so
are most of us building an airplane, I bought a full panel of steam
gauges for my Zodiac when I started but now they will be used in either
a 701 or an Osprey 2 whichever I build next. Before I get to many
E-Mails on that last statement, I have no intention of traveling any
type of distance in either a 701 or the Osprey 2 but the 601 will be a
cross country cruiser.
Mark Townsend
Alma, Ontario
Zodiac 601XL EJ 2.2L
Osprey 2 serial # 751
www.ch601.org
www.Osprey2.com
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Gary A.
Boothe
Subject: Zenith-List: Venturi vacuum systems
--> Zenith-List message posted by: "Gary A. Boothe" <gboothe@calply.com>
List,
I hate to date myself (let's just say that I have been out of the saddle
for over 20 years) but I am designing the panel and have noticed very
few 601's with venturi's. Are electric systems the way to go?
Gary Boothe
WW Corvair Power - 601HDS
Rudder complete, impatiently awaiting
Tail Kit
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